Nathan Ziemski
ID 331460
Born : 1978 Cat. M45 Ultrarunner since 2012 USA
26
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
51
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?USAUnited States
31,3%
Rank quotient ?This runner's calculation uses 26 eligible race(s): Σ(rank − 1) = 1 189; Σ finishers = 3 800. 1 189 / 3 800 × 100 = 31.29%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed26
Km — ultra races3 147 km
> 100 km13
> 160 km13
Longest race160,9 km
34th Superior Fall Trail Races 100 Mile — 6/9/2024

Km per year (ultra races)

241
2 races
2022
2023
161
1 race
2024
100
1 race
2025
80
1 race
2026

Race types (share of distance)

Trail100,0%

Records

50 km4h22'49100 km14h46'5650 mi9h53'54100 mi21h51'44

HISTORY

26 race(s)
DateRacePerf.Rk
2026
25.07 50mi USA45th Minnesota Voyageur Trail 50 Mile Ultra 10:50:16 h43
2025
18.10 100km USA17th Wild Duluth 100 km Races 14:46:56 h20
2024
06.09 100mi USA34th Superior Fall Trail Races 100 Mile 30:52:53 h52
2022
10.09 100mi USA32th Superior Fall Trail Races 100 Mile 30:51:12 h33
30.07 50mi USA41th Minnesota Voyageur Trail 50 Mile Ultra 10:35:13 h43
2019
27.07 50mi USA38th Minnesota Voyageur Trail 50 Mile Ultra 10:17:38 h51
2018
20.10 100km USA10th Wild Duluth 100 km Races 15:50:51 h23
07.09 100mi USA28th Superior Fall Trail Races 100 Mile 27:52:52 h29
28.07 50mi USA37th Minnesota Voyageur Trail 50 Mile Ultra 10:50:38 h144
23.06 100mi USA8th Black Hills 100 Mile Run 26:47:27 h14
02.06 100mi USA23rd Kettle Moraine 100 Mile Endurance Run 21:51:44 h31
13.04 100mi USA10th Zumbro 100 Mile Endurance Run 31:57:44 h11
2017
29.07 50mi USA36th Minnesota Voyageur Trail 50 Mile Ultra 9:53:54 h70
07.04 100mi USA9th Zumbro 100 Mile Endurance Run 29:43:38 h25
2016
20.08 100mi USA34th Leadville Trail 100 Mile 29:08:03 h236
30.07 50mi USA35th Minnesota Voyageur Trail 50 Mile Ultra 10:37:22 h92
08.04 100mi USA8th Zumbro 100 Mile 23:00:28 h4
2015
11.09 100mi USA25th Superior Fall Trail Races 100 Mile 26:54:25 h18
25.07 50mi USA34th Minnesota Voyageur Trail 50 Mile Ultra 10:49:46 h72
10.04 100mi USA7th Zumbro 100 Mile 24:11:53 h6
2014
26.07 50mi USA33rd Minnesota Voyageur Trail 50 Mile Ultra 10:42:36 h70
17.05 100mi USA1st Savage 100 Mile Race 22:15:54 h5
11.04 100mi USA6th Zumbro 100 Mile 27:51:50 h10
2013
27.07 50mi USA32nd Minnesota Voyageur Trail 50 Mile Ultra 10:24:12 h55
2012
28.07 50mi USA31st Minnesota Voyageur Trail 50 Mile Ultra 10:25:03 h29
21.04 50km USA22nd Trail Mix Race 4:22:49 h29